kəˈlistəfəs noun
Usage: capitalized
Etymology: New Latin, from calli- + Greek stephos crown, from stephein to encircle, bewreath
: a genus of erect Asiatic herbs (family Compositae) having ovate alternate leaves of which the upper become narrow and spatulate, leafy reflexed outer involucral bracts, and showy solitary flower heads that are two to five inches across — see china aster